code: def test_get_auth(self, mock_get_connection):
      get_conn_value = MagicMock()
      get_conn_value.login = "airflow"
      get_conn_value.password = "password"
      mock_get_connection.return_value = get_conn_value
      expected = requests.auth.HTTPBasicAuth("airflow", "password")
      assert self.db_hook.get_auth() == expected
  
imports: from __future__ import annotations
  from unittest.mock import MagicMock, patch
  import pytest
  import requests
  from airflow.exceptions import AirflowException
  from airflow.providers.apache.druid.hooks.druid import DruidDbApiHook, DruidHook, IngestionType
label_desc: Use image node_id 4 for calling the TestDruidHook obj's underlying member method code with example usage: obj.test_get_auth(mock_get_connection) without return types